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cheatsheet-tldr/tldr/jj-bisect
2026-01-18 00:24:29 +00:00

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---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# jj bisect
> Find a bad revision by bisection.
> More information: <https://docs.jj-vcs.dev/latest/cli-reference/#jj-bisect>.
- Find the first bad revision in a range by running a test command:
`jj bisect run {{[-r|--range]}} {{good_revision}}..{{bad_revision}} {{command}}`
- Find the first bad revision using a shell command:
`jj bisect run {{[-r|--range]}} {{good_revision}}..{{bad_revision}} -- bash -c "{{command}}"`
- Find the first good revision instead of the first bad one:
`jj bisect run {{[-r|--range]}} {{good_revision}}..{{bad_revision}} --find-good {{command}}`
- Find the first revision where a file was added:
`jj bisect run {{[-r|--range]}} {{good_revision}}..{{bad_revision}} --find-good -- test -f {{path/to/file}}`